712111066 has 16 divisors (see below), whose sum is σ = 1106857800. Its totient is φ = 343199808.

The previous prime is 712111063. The next prime is 712111087. The reversal of 712111066 is 660111217.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 296562841 + 415548225 = 17221^2 + 20385^2 .

It is a super-3 number, since 3×712111066³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 712111066.

It is not an unprimeable number, because it can be changed into a prime (712111063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25540 + ... + 45568.

Almost surely, 2^712111066 is an apocalyptic number.

712111066 is a deficient number, since it is larger than the sum of its proper divisors (394746734).

712111066 is a wasteful number, since it uses less digits than its factorization.

712111066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 712111066 is about 26685.4092342613. The cubic root of 712111066 is about 892.9954475436.

The spelling of 712111066 in words is "seven hundred twelve million, one hundred eleven thousand, sixty-six".